Re: Performance issue with 8.2.3 - "C" application
От | Karl Denninger |
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Тема | Re: Performance issue with 8.2.3 - "C" application |
Дата | |
Msg-id | 46A6C50D.1000908@denninger.net обсуждение исходный текст |
Ответ на | Re: Performance issue with 8.2.3 - "C" application (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: Performance issue with 8.2.3 - "C" application
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Список | pgsql-performance |
Aha! BIG difference. I won't know for sure until the biz day tomorrow but the "first blush" look is that it makes a HUGE difference in system load, and I no longer have the stats collector process on the top of the "top" list...... Karl Denninger (karl@denninger.net) http://www.denninger.net Tom Lane wrote: > Karl Denninger <karl@denninger.net> writes: > >> Hmmmmm..... now that's interesting. Stats collector IS accumulating >> quite a bit of runtime..... me thinks its time to go grab 8.2.4. >> > > I think Merlin might have nailed it --- the "stats collector bug" is > that it tries to write out the stats file way more often than it > should. So any excessive userland CPU time you see is just the tip > of the iceberg compared to the system and I/O costs incurred. > > regards, tom lane > > ---------------------------(end of broadcast)--------------------------- > TIP 1: if posting/reading through Usenet, please send an appropriate > subscribe-nomail command to majordomo@postgresql.org so that your > message can get through to the mailing list cleanly > > > %SPAMBLOCK-SYS: Matched [hub.org+], message ok > %SPAMBLOCK-SYS: Matched [@postgresql.org+], message ok
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